Find the focus and directrix of the parabola.y2 = -32x

A. F: (8, 0); D: x = -8
B. F: (-8, 0); D: y = 8
C. F: (0, -8); D: y = 8
D. F: (-8, 0); D: x = 8


Answer: D

Mathematics

You might also like to view...

Solve the problem. Use ? = 3.14 when necessary.A certain marine engine has cylinders that are 3.25 cm in diameter and 4.85 cm deep. Find the total volume of 6 cylinders.

A. 593.9 cm3  B. 482.6 cm3 C. 40.2 cm3  D. 241.3 cm3 

Mathematics

Indicate whether the statement is true or false.A system of two linear inequalities can have solutions in only one quadrant.

A. True B. False

Mathematics

Solve the problem.A rectangular flower bed is  yd long by  yd wide. Corrugated edging is to be added around all sides of the flower bed. Use the formula  to determine the length of the edging.

A.  yd
B. 3 yd
C. 18 yd
D.  yd

Mathematics

If y varies inversely as x, write a general formula to describe the variation.y = 18 when x = 

A. y = 
B. y = 
C. y = 
D. y = 54x

Mathematics